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gre-on-freebsd.md
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| 1 | -# GRE on FreeBSD |
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| 2 | - |
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| 3 | -This page describes how to configure GRE tunnels on FreeBSD. |
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| 4 | - |
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| 5 | -## Requirements |
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| 6 | -* Root access to a FreeBSD system. |
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| 7 | -* Loaded if_gre.ko or device gre |
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| 8 | -* A static IPv4 address on both ends if you would like to preserve your sanity. |
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| 9 | - |
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| 10 | -## Create a temporary gre tunnel |
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| 11 | - ifconfig gre$INDEX create |
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| 12 | - ifconfig gre$INDEX tunnel $TUNNEL_SRC $TUNNEL_DST |
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| 13 | - ifconfig gre$INDEX inet $LOCAL $REMOTE netmask 0xffffffff |
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| 14 | - ifconfig gre$INDEX descr $DESCR |
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| 15 | - |
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| 16 | -## Create a persistent gre tunnel |
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| 17 | -Add this to your rc.conf. |
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| 18 | - |
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| 19 | - cloned_interfaces="$cloned_interfaces gre0" |
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| 20 | - ifconfig_gre0="10.0.0.1 10.0.0.2 netmask 0xffffffff tunnel 1.2.3.4 5.6.7.8 descr foo" |
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